Which of the Following Function in Immunological Surveillance

Question

Which of the following function in immunological surveillance?
A)NK cells
B)helper T cells
C)plasma cells
D)B cells
E)regulatory T cells

Accepted Answer

NK cells (natural killer cells) function in immunological surveillance by detecting and destroying abnormal or infected cells, including cancer cells. Helper T cells, plasma cells, B cells, and regulatory T cells have other important roles in the immune system, but are not primarily involved in immunological surveillance.